Florian Weimer via Gcc-patches writes:
> On many architectures, there is a padding gap after the how array
> member, and cfa_how can be moved there. This reduces the size of the
> struct and the amount of memory that uw_frame_state_for has to clear.
>
> There is no measurable performance benefit
On many architectures, there is a padding gap after the how array
member, and cfa_how can be moved there. This reduces the size of the
struct and the amount of memory that uw_frame_state_for has to clear.
There is no measurable performance benefit from this on x86-64 (even
though the memset goes